7.  Chateau du Lude and Chateau de Chambord/New York Cancer Hospital

The Chateau du Lude is a Loire Valley castle, which was originally a 10th century fortress.

The Chateau de Chambord was constructed by by King Francois I and possibly designed in part by Leonardo da Vinci.

Chambord Castle (photo by Augustin Pasquet)

The New York Cancer Hospital was designed by Charles Coolidge Haight and was likely inspired by Chateaux des Lude et Chambord.

New York Cancer Hospital